forked from KolibriOS/kolibrios
152 lines
3.9 KiB
C
152 lines
3.9 KiB
C
/*
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* Copyright (c) 2012 Intel Corporation. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "sysdeps.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <stddef.h>
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#include <string.h>
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#include <va/va.h>
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#include "va_display.h"
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extern const VADisplayHooks va_display_hooks_drm;
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static const VADisplayHooks *g_display_hooks;
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static const VADisplayHooks *g_display_hooks_available[] = {
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&va_display_hooks_drm,
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NULL
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};
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static const char *g_display_name;
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static const char *
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get_display_name(int argc, char *argv[])
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{
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const char *display_name = NULL;
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int i;
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for (i = 1; i < argc; i++) {
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if (strcmp(argv[i], "--display") != 0)
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continue;
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argv[i] = NULL;
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if (++i < argc) {
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display_name = argv[i];
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argv[i] = NULL;
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}
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}
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return display_name;
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}
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static void
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print_display_names(void)
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{
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const VADisplayHooks **h;
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printf("Available displays:\n");
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for (h = g_display_hooks_available; *h != NULL; h++)
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printf(" %s\n", (*h)->name);
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}
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static void
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sanitize_args(int *argc, char *argv[])
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{
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char **out_args = argv;
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int i, n = *argc;
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for (i = 0; i < n; i++) {
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if (argv[i])
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*out_args++ = argv[i];
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}
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*out_args = NULL;
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*argc = out_args - argv;
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}
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void
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va_init_display_args(int *argc, char *argv[])
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{
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const char *display_name;
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display_name = get_display_name(*argc, argv);
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if (display_name && strcmp(display_name, "help") == 0) {
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print_display_names();
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exit(0);
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}
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g_display_name = display_name;
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sanitize_args(argc, argv);
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}
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VADisplay
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va_open_display(void)
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{
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VADisplay va_dpy = NULL;
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unsigned int i;
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for (i = 0; !va_dpy && g_display_hooks_available[i]; i++) {
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g_display_hooks = g_display_hooks_available[i];
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if (g_display_name &&
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strcmp(g_display_name, g_display_hooks->name) != 0)
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continue;
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if (!g_display_hooks->open_display)
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continue;
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va_dpy = g_display_hooks->open_display();
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}
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if (!va_dpy) {
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fprintf(stderr, "error: failed to initialize display");
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if (g_display_name)
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fprintf(stderr, " '%s'", g_display_name);
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fprintf(stderr, "\n");
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abort();
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}
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return va_dpy;
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}
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void
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va_close_display(VADisplay va_dpy)
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{
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if (!va_dpy)
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return;
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if (g_display_hooks && g_display_hooks->close_display)
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g_display_hooks->close_display(va_dpy);
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}
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VAStatus
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va_put_surface(
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VADisplay va_dpy,
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VASurfaceID surface,
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const VARectangle *src_rect,
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const VARectangle *dst_rect
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)
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{
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if (!va_dpy)
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return VA_STATUS_ERROR_INVALID_DISPLAY;
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if (g_display_hooks && g_display_hooks->put_surface)
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return g_display_hooks->put_surface(va_dpy, surface, src_rect, dst_rect);
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return VA_STATUS_ERROR_UNIMPLEMENTED;
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}
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